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One of the many organizational tools to come out of manufacturing is called 5s. Based on a list of five Japanese words Seiri, Seiton, Seiso, Seiketsu, and Shitsuke (Sort, Set, Shine, Standardize and Sustain) it provides techniques that promote efficiency and quality, particularly in a workplace where multiple workers share responsibility for production.
Seiton and Seiso, promote the organization and tidying of a workspace. Are these methods relevant to information security? Are organized, tidy and maintained systems more secure?

Analogies are regularly used in Information Security. Our work can be difficult to understand, and a good analogy can be a powerful tool to simplify complex issues. Despite this I’m not their greatest fan. My apprehensions are because it’s not the only tool available to us. Clear and precise explanation in simple language can be overlooked in favour of analogy. Superficial or weak analogies can become clichés with no real thought for the underlying issues.

Videoconferencing Quality Issues
Note: these comments refer to Standard Definition videoconferencing.
It is useful to consider some very basic information on how standard definition VC systems operate which will help in understanding the limitations of video quality over a videoconference link.
There are two measures of quality in an image: